package com.wj.springcloud.service;

import cn.hutool.core.util.IdUtil;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixProperty;
import org.springframework.stereotype.Service;

import java.util.concurrent.TimeUnit;

@Service
public class PaymentService {

    /**
     * 正常访问 OK
     * @param id
     * @return
     */
    public String paymentInfo_OK(Integer id){
        return "线程池："+Thread.currentThread().getName() + " paymentInfo_Ok,id"+id+",哈哈";
    }

    @HystrixCommand(fallbackMethod = "paymentInfo_TimeOutHandle", commandProperties = {
            @HystrixProperty(name = "execution.isolation.thread.timeoutInMilliseconds", value = "5000")
    })
    public String paymentInfo_TimeOut(Integer id){
        int timeNumber = 3000;
//        int age = 10/0;
        try {
            TimeUnit.MILLISECONDS.sleep(timeNumber);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        return "线程池："+Thread.currentThread().getName() + " id"+id+",(●'◡'●), 耗时"+timeNumber+"秒";
    }

    public String paymentInfo_TimeOutHandle(Integer id){
        return "线程池："+Thread.currentThread().getName() + " 8001系统繁忙或运行报错，请稍后再试 \t /(ㄒoㄒ)/~~";
    }

    //服务熔断
    @HystrixCommand(fallbackMethod = "paymentCircuitBreaker_fallback", commandProperties = {
            @HystrixProperty(name = "circuitBreaker.enabled", value = "true"), //是否开启断路器
            @HystrixProperty(name = "circuitBreaker.requestVolumeThreshold", value = "10"),//请求次数
            @HystrixProperty(name = "circuitBreaker.sleepWindowInMilliseconds", value = "10000"),//时间范围
            @HystrixProperty(name = "circuitBreaker.errorThresholdPercentage", value = "60") //失败率达到多少后跳匝
    })
    public String paymentCircuitBreaker(Integer id){
        if (id < 0){
            throw new RuntimeException("----id不能为负数");
        }
        String serilNumber = IdUtil.simpleUUID();

        return Thread.currentThread().getName() + "调用成功,流水号："+serilNumber;

    }

    public String paymentCircuitBreaker_fallback(Integer id){
        return "---id不能为负数，请稍后再试，/(ㄒoㄒ)/~~  ,id:"+id;
    }
}